/* pp_sys.c
*
- * Copyright (c) 1991-2002, Larry Wall
+ * Copyright (C) 1995, 1996, 1997, 1998, 1999,
+ * 2000, 2001, 2002, 2003, 2004, 2005, by Larry Wall and others
*
* You may distribute under the terms of either the GNU General Public
* License or the Artistic License, as specified in the README file.
* a rumour and a trouble as of great engines throbbing and labouring.
*/
+/* This file contains system pp ("push/pop") functions that
+ * execute the opcodes that make up a perl program. A typical pp function
+ * expects to find its arguments on the stack, and usually pushes its
+ * results onto the stack, hence the 'pp' terminology. Each OP structure
+ * contains a pointer to the relevant pp_foo() function.
+ *
+ * By 'system', we mean ops which interact with the OS, such as pp_open().
+ */
+
#include "EXTERN.h"
#define PERL_IN_PP_SYS_C
#include "perl.h"
#include "reentr.h"
+#ifdef __Lynx__
+/* Missing protos on LynxOS */
+void sethostent(int);
+void endhostent(void);
+void setnetent(int);
+void endnetent(void);
+void setprotoent(int);
+void endprotoent(void);
+void setservent(int);
+void endservent(void);
+#endif
+
#undef PERL_EFF_ACCESS_R_OK /* EFFective uid/gid ACCESS R_OK */
#undef PERL_EFF_ACCESS_W_OK
#undef PERL_EFF_ACCESS_X_OK
tmpsv = TOPs;
}
tmps = SvPV(tmpsv, len);
- if (!tmps || !len) {
+ if ((!tmps || !len) && PL_errgv) {
SV *error = ERRSV;
(void)SvUPGRADE(error, SVt_PV);
if (SvPOK(error) && SvCUR(error))
sv_setsv(error,*PL_stack_sp--);
}
}
- DIE(aTHX_ Nullformat);
+ DIE_NULL;
}
else {
if (SvPOK(error) && SvCUR(error))
if (PerlProc_pipe(fd) < 0)
goto badexit;
- IoIFP(rstio) = PerlIO_fdopen(fd[0], "r"PIPESOCK_MODE);
- IoOFP(wstio) = PerlIO_fdopen(fd[1], "w"PIPESOCK_MODE);
+ IoIFP(rstio) = PerlIO_fdopen(fd[0], "r"PIPE_OPEN_MODE);
+ IoOFP(wstio) = PerlIO_fdopen(fd[1], "w"PIPE_OPEN_MODE);
IoOFP(rstio) = IoIFP(rstio);
IoIFP(wstio) = IoOFP(wstio);
IoTYPE(rstio) = IoTYPE_RDONLY;
PUTBACK;
if (PerlIO_binmode(aTHX_ fp,IoTYPE(io),mode_from_discipline(discp),
(discp) ? SvPV_nolen(discp) : Nullch)) {
+ if (IoOFP(io) && IoOFP(io) != IoIFP(io)) {
+ if (!PerlIO_binmode(aTHX_ IoOFP(io),IoTYPE(io),
+ mode_from_discipline(discp),
+ (discp) ? SvPV_nolen(discp) : Nullch)) {
+ SPAGAIN;
+ RETPUSHUNDEF;
+ }
+ }
SPAGAIN;
RETPUSHYES;
}
RETPUSHYES;
if ((mg = SvTIED_mg(sv, how))) {
- SV *obj = SvRV(mg->mg_obj);
+ SV *obj = SvRV(SvTIED_obj(sv, mg));
GV *gv;
CV *cv = NULL;
if (obj) {
(UV)SvREFCNT(obj) - 1 ) ;
}
}
- sv_unmagic(sv, how) ;
}
+ sv_unmagic(sv, how) ;
RETPUSHYES;
}
Zero(&fd_sets[0], 4, char*);
#endif
-# if SELECT_MIN_BITS > 1
+# if SELECT_MIN_BITS == 1
+ growsize = sizeof(fd_set);
+# else
+# if defined(__GLIBC__) && defined(__FD_SETSIZE)
+# undef SELECT_MIN_BITS
+# define SELECT_MIN_BITS __FD_SETSIZE
+# endif
/* If SELECT_MIN_BITS is greater than one we most probably will want
* to align the sizes with SELECT_MIN_BITS/8 because for example
* in many little-endian (Intel, Alpha) systems (Linux, OS/2, Digital
* UNIX, Solaris, NeXT, Darwin) the smallest quantum select() operates
* on (sets/tests/clears bits) is 32 bits. */
growsize = maxlen + (SELECT_MIN_BITS/8 - (maxlen % (SELECT_MIN_BITS/8)));
-# else
- growsize = sizeof(fd_set);
# endif
sv = SP[4];
#endif
}
+#ifdef PERL_IRIX5_SELECT_TIMEVAL_VOID_CAST
+ /* Can't make just the (void*) conditional because that would be
+ * cpp #if within cpp macro, and not all compilers like that. */
+ nfound = PerlSock_select(
+ maxlen * 8,
+ (Select_fd_set_t) fd_sets[1],
+ (Select_fd_set_t) fd_sets[2],
+ (Select_fd_set_t) fd_sets[3],
+ (void*) tbuf); /* Workaround for compiler bug. */
+#else
nfound = PerlSock_select(
maxlen * 8,
(Select_fd_set_t) fd_sets[1],
(Select_fd_set_t) fd_sets[2],
(Select_fd_set_t) fd_sets[3],
tbuf);
+#endif
for (i = 1; i <= 3; i++) {
if (fd_sets[i]) {
sv = SP[i];
ENTER;
SAVETMPS;
- push_return(retop);
PUSHBLOCK(cx, CXt_FORMAT, PL_stack_sp);
PUSHFORMAT(cx);
+ cx->blk_sub.retop = retop;
PAD_SET_CUR(CvPADLIST(cv), 1);
setdefout(gv); /* locally select filehandle so $% et al work */
if (!IoTOP_NAME(io)) {
if (!IoFMT_NAME(io))
IoFMT_NAME(io) = savepv(GvNAME(gv));
- topname = sv_2mortal(Perl_newSVpvf(aTHX_ "%s_TOP", IoFMT_NAME(io)));
- topgv = gv_fetchpv(SvPVX(topname), FALSE, SVt_PVFM);
+ topname = sv_2mortal(Perl_newSVpvf(aTHX_ "%s_TOP", GvNAME(gv)));
+ topgv = gv_fetchsv(topname, FALSE, SVt_PVFM);
if ((topgv && GvFORM(topgv)) ||
!gv_fetchpv("top",FALSE,SVt_PVFM))
- IoTOP_NAME(io) = savepv(SvPVX(topname));
+ IoTOP_NAME(io) = savesvpv(topname);
else
- IoTOP_NAME(io) = savepv("top");
+ IoTOP_NAME(io) = savepvn("top", 3);
}
topgv = gv_fetchpv(IoTOP_NAME(io),FALSE, SVt_PVFM);
if (!topgv || !GvFORM(topgv)) {
/* bad_ofp: */
PL_formtarget = PL_bodytarget;
PUTBACK;
- return pop_return();
+ return cx->blk_sub.retop;
}
PP(pp_prtf)
STRLEN blen;
MAGIC *mg;
int fp_utf8;
+ int buffer_utf8;
+ SV *read_target;
Size_t got = 0;
Size_t wanted;
bool charstart = FALSE;
}
if ((fp_utf8 = PerlIO_isutf8(IoIFP(io))) && !IN_BYTES) {
buffer = SvPVutf8_force(bufsv, blen);
- /* UTF8 may not have been set if they are all low bytes */
+ /* UTF-8 may not have been set if they are all low bytes */
SvUTF8_on(bufsv);
+ buffer_utf8 = 0;
}
else {
buffer = SvPV_force(bufsv, blen);
+ buffer_utf8 = !IN_BYTES && SvUTF8(bufsv);
}
if (length < 0)
DIE(aTHX_ "Negative length");
}
if (DO_UTF8(bufsv)) {
/* convert offset-as-chars to offset-as-bytes */
- offset = utf8_hop((U8 *)buffer,offset) - (U8 *) buffer;
+ if (offset >= (int)blen)
+ offset += SvCUR(bufsv) - blen;
+ else
+ offset = utf8_hop((U8 *)buffer,offset) - (U8 *) buffer;
}
more_bytes:
bufsize = SvCUR(bufsv);
+ /* Allocating length + offset + 1 isn't perfect in the case of reading
+ bytes from a byte file handle into a UTF8 buffer, but it won't harm us
+ unduly.
+ (should be 2 * length + offset + 1, or possibly something longer if
+ PL_encoding is true) */
buffer = SvGROW(bufsv, (STRLEN)(length+offset+1));
if (offset > bufsize) { /* Zero any newly allocated space */
Zero(buffer+bufsize, offset-bufsize, char);
}
buffer = buffer + offset;
+ if (!buffer_utf8) {
+ read_target = bufsv;
+ } else {
+ /* Best to read the bytes into a new SV, upgrade that to UTF8, then
+ concatenate it to the current buffer. */
+
+ /* Truncate the existing buffer to the start of where we will be
+ reading to: */
+ SvCUR_set(bufsv, offset);
+
+ read_target = sv_newmortal();
+ SvUPGRADE(read_target, SVt_PV);
+ buffer = SvGROW(read_target, length + 1);
+ }
if (PL_op->op_type == OP_SYSREAD) {
#ifdef PERL_SOCK_SYSREAD_IS_RECV
report_evil_fh(gv, io, OP_phoney_OUTPUT_ONLY);
goto say_undef;
}
- SvCUR_set(bufsv, count+(buffer - SvPVX(bufsv)));
- *SvEND(bufsv) = '\0';
- (void)SvPOK_only(bufsv);
+ SvCUR_set(read_target, count+(buffer - SvPVX(read_target)));
+ *SvEND(read_target) = '\0';
+ (void)SvPOK_only(read_target);
if (fp_utf8 && !IN_BYTES) {
/* Look at utf8 we got back and count the characters */
char *bend = buffer + count;
count = got;
SvUTF8_on(bufsv);
}
+ else if (buffer_utf8) {
+ /* Let svcatsv upgrade the bytes we read in to utf8.
+ The buffer is a mortal so will be freed soon. */
+ sv_catsv_nomg(bufsv, read_target);
+ }
SvSETMAGIC(bufsv);
/* This should not be marked tainted if the fp is marked clean */
if (!(IoFLAGS(io) & IOf_UNTAINT))
}
if (PerlIO_isutf8(IoIFP(io))) {
- buffer = SvPVutf8(bufsv, blen);
+ if (!SvUTF8(bufsv)) {
+ bufsv = sv_2mortal(newSVsv(bufsv));
+ buffer = sv_2pvutf8(bufsv, &blen);
+ } else
+ buffer = SvPV(bufsv, blen);
}
else {
- if (DO_UTF8(bufsv))
- sv_utf8_downgrade(bufsv, FALSE);
- buffer = SvPV(bufsv, blen);
+ if (DO_UTF8(bufsv)) {
+ /* Not modifying source SV, so making a temporary copy. */
+ bufsv = sv_2mortal(newSVsv(bufsv));
+ sv_utf8_downgrade(bufsv, FALSE);
+ }
+ buffer = SvPV(bufsv, blen);
}
if (PL_op->op_type == OP_SYSWRITE) {
SETERRNO(0,0);
#if defined(HAS_TRUNCATE) || defined(HAS_CHSIZE) || defined(F_FREESP)
{
- STRLEN n_a;
int result = 1;
GV *tmpgv;
IO *io;
if (PL_op->op_flags & OPf_SPECIAL) {
- tmpgv = gv_fetchpv(POPpx, FALSE, SVt_PVIO);
+ tmpgv = gv_fetchsv(POPs, FALSE, SVt_PVIO);
do_ftruncate_gv:
if (!GvIO(tmpgv))
else {
SV *sv = POPs;
char *name;
-
+ STRLEN n_a;
+
if (SvTYPE(sv) == SVt_PVGV) {
tmpgv = (GV*)sv; /* *main::FRED for example */
goto do_ftruncate_gv;
#else
retval = fcntl(PerlIO_fileno(IoIFP(io)), func, s);
#endif
+#endif
+#if defined(HAS_IOCTL) || defined(HAS_FCNTL)
if (SvPOK(argsv)) {
if (s[SvCUR(argsv)] != 17)
DIE(aTHX_ "Possible memory corruption: %s overflowed 3rd argument",
fd = PerlSock_socket(domain, type, protocol);
if (fd < 0)
RETPUSHUNDEF;
- IoIFP(io) = PerlIO_fdopen(fd, "r"PIPESOCK_MODE); /* stdio gets confused about sockets */
- IoOFP(io) = PerlIO_fdopen(fd, "w"PIPESOCK_MODE);
+ IoIFP(io) = PerlIO_fdopen(fd, "r"SOCKET_OPEN_MODE); /* stdio gets confused about sockets */
+ IoOFP(io) = PerlIO_fdopen(fd, "w"SOCKET_OPEN_MODE);
IoTYPE(io) = IoTYPE_SOCKET;
if (!IoIFP(io) || !IoOFP(io)) {
if (IoIFP(io)) PerlIO_close(IoIFP(io));
TAINT_PROPER("socketpair");
if (PerlSock_socketpair(domain, type, protocol, fd) < 0)
RETPUSHUNDEF;
- IoIFP(io1) = PerlIO_fdopen(fd[0], "r"PIPESOCK_MODE);
- IoOFP(io1) = PerlIO_fdopen(fd[0], "w"PIPESOCK_MODE);
+ IoIFP(io1) = PerlIO_fdopen(fd[0], "r"SOCKET_OPEN_MODE);
+ IoOFP(io1) = PerlIO_fdopen(fd[0], "w"SOCKET_OPEN_MODE);
IoTYPE(io1) = IoTYPE_SOCKET;
- IoIFP(io2) = PerlIO_fdopen(fd[1], "r"PIPESOCK_MODE);
- IoOFP(io2) = PerlIO_fdopen(fd[1], "w"PIPESOCK_MODE);
+ IoIFP(io2) = PerlIO_fdopen(fd[1], "r"SOCKET_OPEN_MODE);
+ IoOFP(io2) = PerlIO_fdopen(fd[1], "w"SOCKET_OPEN_MODE);
IoTYPE(io2) = IoTYPE_SOCKET;
if (!IoIFP(io1) || !IoOFP(io1) || !IoIFP(io2) || !IoOFP(io2)) {
if (IoIFP(io1)) PerlIO_close(IoIFP(io1));
GV *ggv;
register IO *nstio;
register IO *gstio;
- struct sockaddr saddr; /* use a struct to avoid alignment problems */
- Sock_size_t len = sizeof saddr;
+ char namebuf[MAXPATHLEN];
+#if (defined(VMS_DO_SOCKETS) && defined(DECCRTL_SOCKETS)) || defined(MPE) || defined(__QNXNTO__)
+ Sock_size_t len = sizeof (struct sockaddr_in);
+#else
+ Sock_size_t len = sizeof namebuf;
+#endif
int fd;
ggv = (GV*)POPs;
goto nuts;
nstio = GvIOn(ngv);
- fd = PerlSock_accept(PerlIO_fileno(IoIFP(gstio)), (struct sockaddr *)&saddr, &len);
+ fd = PerlSock_accept(PerlIO_fileno(IoIFP(gstio)), (struct sockaddr *) namebuf, &len);
if (fd < 0)
goto badexit;
if (IoIFP(nstio))
do_close(ngv, FALSE);
- IoIFP(nstio) = PerlIO_fdopen(fd, "r"PIPESOCK_MODE);
- IoOFP(nstio) = PerlIO_fdopen(fd, "w"PIPESOCK_MODE);
+ IoIFP(nstio) = PerlIO_fdopen(fd, "r"SOCKET_OPEN_MODE);
+ IoOFP(nstio) = PerlIO_fdopen(fd, "w"SOCKET_OPEN_MODE);
IoTYPE(nstio) = IoTYPE_SOCKET;
if (!IoIFP(nstio) || !IoOFP(nstio)) {
if (IoIFP(nstio)) PerlIO_close(IoIFP(nstio));
#endif
#ifdef EPOC
- len = sizeof saddr; /* EPOC somehow truncates info */
+ len = sizeof (struct sockaddr_in); /* EPOC somehow truncates info */
setbuf( IoIFP(nstio), NULL); /* EPOC gets confused about sockets */
#endif
+#ifdef __SCO_VERSION__
+ len = sizeof (struct sockaddr_in); /* OpenUNIX 8 somehow truncates info */
+#endif
- PUSHp((char *)&saddr, len);
+ PUSHp(namebuf, len);
RETURN;
nuts:
}
sv_setpv(PL_statname, SvPV(sv,n_a));
PL_statgv = Nullgv;
-#ifdef HAS_LSTAT
PL_laststype = PL_op->op_type;
if (PL_op->op_type == OP_LSTAT)
PL_laststatval = PerlLIO_lstat(SvPV(PL_statname, n_a), &PL_statcache);
else
-#endif
PL_laststatval = PerlLIO_stat(SvPV(PL_statname, n_a), &PL_statcache);
if (PL_laststatval < 0) {
if (ckWARN(WARN_NEWLINE) && strchr(SvPV(PL_statname, n_a), '\n'))
RETURN;
}
+/* This macro is used by the stacked filetest operators :
+ * if the previous filetest failed, short-circuit and pass its value.
+ * Else, discard it from the stack and continue. --rgs
+ */
+#define STACKED_FTEST_CHECK if (PL_op->op_private & OPpFT_STACKED) { \
+ if (TOPs == &PL_sv_no || TOPs == &PL_sv_undef) { RETURN; } \
+ else { (void)POPs; PUTBACK; } \
+ }
+
PP(pp_ftrread)
{
I32 result;
dSP;
+ STACKED_FTEST_CHECK;
#if defined(HAS_ACCESS) && defined(R_OK)
- STRLEN n_a;
- if ((PL_hints & HINT_FILETEST_ACCESS) && SvPOK(TOPs)) {
- result = access(TOPpx, R_OK);
+ if ((PL_op->op_private & OPpFT_ACCESS) && SvPOK(TOPs)) {
+ STRLEN n_a;
+ result = access(POPpx, R_OK);
if (result == 0)
RETPUSHYES;
if (result < 0)
{
I32 result;
dSP;
+ STACKED_FTEST_CHECK;
#if defined(HAS_ACCESS) && defined(W_OK)
- STRLEN n_a;
- if ((PL_hints & HINT_FILETEST_ACCESS) && SvPOK(TOPs)) {
- result = access(TOPpx, W_OK);
+ if ((PL_op->op_private & OPpFT_ACCESS) && SvPOK(TOPs)) {
+ STRLEN n_a;
+ result = access(POPpx, W_OK);
if (result == 0)
RETPUSHYES;
if (result < 0)
{
I32 result;
dSP;
+ STACKED_FTEST_CHECK;
#if defined(HAS_ACCESS) && defined(X_OK)
- STRLEN n_a;
- if ((PL_hints & HINT_FILETEST_ACCESS) && SvPOK(TOPs)) {
- result = access(TOPpx, X_OK);
+ if ((PL_op->op_private & OPpFT_ACCESS) && SvPOK(TOPs)) {
+ STRLEN n_a;
+ result = access(POPpx, X_OK);
if (result == 0)
RETPUSHYES;
if (result < 0)
{
I32 result;
dSP;
+ STACKED_FTEST_CHECK;
#ifdef PERL_EFF_ACCESS_R_OK
- STRLEN n_a;
- if ((PL_hints & HINT_FILETEST_ACCESS) && SvPOK(TOPs)) {
- result = PERL_EFF_ACCESS_R_OK(TOPpx);
+ if ((PL_op->op_private & OPpFT_ACCESS) && SvPOK(TOPs)) {
+ STRLEN n_a;
+ result = PERL_EFF_ACCESS_R_OK(POPpx);
if (result == 0)
RETPUSHYES;
if (result < 0)
{
I32 result;
dSP;
+ STACKED_FTEST_CHECK;
#ifdef PERL_EFF_ACCESS_W_OK
- STRLEN n_a;
- if ((PL_hints & HINT_FILETEST_ACCESS) && SvPOK(TOPs)) {
- result = PERL_EFF_ACCESS_W_OK(TOPpx);
+ if ((PL_op->op_private & OPpFT_ACCESS) && SvPOK(TOPs)) {
+ STRLEN n_a;
+ result = PERL_EFF_ACCESS_W_OK(POPpx);
if (result == 0)
RETPUSHYES;
if (result < 0)
{
I32 result;
dSP;
+ STACKED_FTEST_CHECK;
#ifdef PERL_EFF_ACCESS_X_OK
- STRLEN n_a;
- if ((PL_hints & HINT_FILETEST_ACCESS) && SvPOK(TOPs)) {
- result = PERL_EFF_ACCESS_X_OK(TOPpx);
+ if ((PL_op->op_private & OPpFT_ACCESS) && SvPOK(TOPs)) {
+ STRLEN n_a;
+ result = PERL_EFF_ACCESS_X_OK(POPpx);
if (result == 0)
RETPUSHYES;
if (result < 0)
PP(pp_ftis)
{
- I32 result = my_stat();
+ I32 result;
dSP;
+ STACKED_FTEST_CHECK;
+ result = my_stat();
+ SPAGAIN;
if (result < 0)
RETPUSHUNDEF;
RETPUSHYES;
PP(pp_ftrowned)
{
- I32 result = my_stat();
+ I32 result;
dSP;
+ STACKED_FTEST_CHECK;
+ result = my_stat();
+ SPAGAIN;
if (result < 0)
RETPUSHUNDEF;
if (PL_statcache.st_uid == (PL_op->op_type == OP_FTEOWNED ?
PP(pp_ftzero)
{
- I32 result = my_stat();
+ I32 result;
dSP;
+ STACKED_FTEST_CHECK;
+ result = my_stat();
+ SPAGAIN;
if (result < 0)
RETPUSHUNDEF;
if (PL_statcache.st_size == 0)
PP(pp_ftsize)
{
- I32 result = my_stat();
+ I32 result;
dSP; dTARGET;
+ STACKED_FTEST_CHECK;
+ result = my_stat();
+ SPAGAIN;
if (result < 0)
RETPUSHUNDEF;
#if Off_t_size > IVSIZE
PP(pp_ftmtime)
{
- I32 result = my_stat();
+ I32 result;
dSP; dTARGET;
+ STACKED_FTEST_CHECK;
+ result = my_stat();
+ SPAGAIN;
if (result < 0)
RETPUSHUNDEF;
- PUSHn( (PL_basetime - PL_statcache.st_mtime) / 86400.0 );
+ PUSHn( (((NV)PL_basetime - PL_statcache.st_mtime)) / 86400.0 );
RETURN;
}
PP(pp_ftatime)
{
- I32 result = my_stat();
+ I32 result;
dSP; dTARGET;
+ STACKED_FTEST_CHECK;
+ result = my_stat();
+ SPAGAIN;
if (result < 0)
RETPUSHUNDEF;
- PUSHn( (PL_basetime - PL_statcache.st_atime) / 86400.0 );
+ PUSHn( (((NV)PL_basetime - PL_statcache.st_atime)) / 86400.0 );
RETURN;
}
PP(pp_ftctime)
{
- I32 result = my_stat();
+ I32 result;
dSP; dTARGET;
+ STACKED_FTEST_CHECK;
+ result = my_stat();
+ SPAGAIN;
if (result < 0)
RETPUSHUNDEF;
- PUSHn( (PL_basetime - PL_statcache.st_ctime) / 86400.0 );
+ PUSHn( (((NV)PL_basetime - PL_statcache.st_ctime)) / 86400.0 );
RETURN;
}
PP(pp_ftsock)
{
- I32 result = my_stat();
+ I32 result;
dSP;
+ STACKED_FTEST_CHECK;
+ result = my_stat();
+ SPAGAIN;
if (result < 0)
RETPUSHUNDEF;
if (S_ISSOCK(PL_statcache.st_mode))
PP(pp_ftchr)
{
- I32 result = my_stat();
+ I32 result;
dSP;
+ STACKED_FTEST_CHECK;
+ result = my_stat();
+ SPAGAIN;
if (result < 0)
RETPUSHUNDEF;
if (S_ISCHR(PL_statcache.st_mode))
PP(pp_ftblk)
{
- I32 result = my_stat();
+ I32 result;
dSP;
+ STACKED_FTEST_CHECK;
+ result = my_stat();
+ SPAGAIN;
if (result < 0)
RETPUSHUNDEF;
if (S_ISBLK(PL_statcache.st_mode))
PP(pp_ftfile)
{
- I32 result = my_stat();
+ I32 result;
dSP;
+ STACKED_FTEST_CHECK;
+ result = my_stat();
+ SPAGAIN;
if (result < 0)
RETPUSHUNDEF;
if (S_ISREG(PL_statcache.st_mode))
PP(pp_ftdir)
{
- I32 result = my_stat();
+ I32 result;
dSP;
+ STACKED_FTEST_CHECK;
+ result = my_stat();
+ SPAGAIN;
if (result < 0)
RETPUSHUNDEF;
if (S_ISDIR(PL_statcache.st_mode))
PP(pp_ftpipe)
{
- I32 result = my_stat();
+ I32 result;
dSP;
+ STACKED_FTEST_CHECK;
+ result = my_stat();
+ SPAGAIN;
if (result < 0)
RETPUSHUNDEF;
if (S_ISFIFO(PL_statcache.st_mode))
{
dSP;
#ifdef S_ISUID
- I32 result = my_stat();
+ I32 result;
+ STACKED_FTEST_CHECK;
+ result = my_stat();
SPAGAIN;
if (result < 0)
RETPUSHUNDEF;
{
dSP;
#ifdef S_ISGID
- I32 result = my_stat();
+ I32 result;
+ STACKED_FTEST_CHECK;
+ result = my_stat();
SPAGAIN;
if (result < 0)
RETPUSHUNDEF;
{
dSP;
#ifdef S_ISVTX
- I32 result = my_stat();
+ I32 result;
+ STACKED_FTEST_CHECK;
+ result = my_stat();
SPAGAIN;
if (result < 0)
RETPUSHUNDEF;
dSP;
int fd;
GV *gv;
- char *tmps = Nullch;
- STRLEN n_a;
+ SV *tmpsv = Nullsv;
+
+ STACKED_FTEST_CHECK;
if (PL_op->op_flags & OPf_REF)
gv = cGVOP_gv;
else if (SvROK(TOPs) && isGV(SvRV(TOPs)))
gv = (GV*)SvRV(POPs);
else
- gv = gv_fetchpv(tmps = POPpx, FALSE, SVt_PVIO);
+ gv = gv_fetchsv(tmpsv = POPs, FALSE, SVt_PVIO);
if (GvIO(gv) && IoIFP(GvIOp(gv)))
fd = PerlIO_fileno(IoIFP(GvIOp(gv)));
- else if (tmps && isDIGIT(*tmps))
- fd = atoi(tmps);
+ else if (tmpsv && SvOK(tmpsv)) {
+ STRLEN n_a;
+ char *tmps = SvPV(tmpsv, n_a);
+ if (isDIGIT(*tmps))
+ fd = atoi(tmps);
+ else
+ RETPUSHUNDEF;
+ }
else
RETPUSHUNDEF;
if (PerlLIO_isatty(fd))
STRLEN n_a;
PerlIO *fp;
+ STACKED_FTEST_CHECK;
+
if (PL_op->op_flags & OPf_REF)
gv = cGVOP_gv;
else if (isGV(TOPs))
PL_laststype = OP_STAT;
sv_setpv(PL_statname, SvPV(sv, n_a));
if (!(fp = PerlIO_open(SvPVX(PL_statname), "r"))) {
- if (ckWARN(WARN_NEWLINE) && strchr(SvPV(sv, n_a), '\n'))
+ if (ckWARN(WARN_NEWLINE) && strchr(SvPV(PL_statname, n_a), '\n'))
Perl_warner(aTHX_ packWARN(WARN_NEWLINE), PL_warn_nl, "open");
RETPUSHUNDEF;
}
}
#endif
+/* This macro removes trailing slashes from a directory name.
+ * Different operating and file systems take differently to
+ * trailing slashes. According to POSIX 1003.1 1996 Edition
+ * any number of trailing slashes should be allowed.
+ * Thusly we snip them away so that even non-conforming
+ * systems are happy.
+ * We should probably do this "filtering" for all
+ * the functions that expect (potentially) directory names:
+ * -d, chdir(), chmod(), chown(), chroot(), fcntl()?,
+ * (mkdir()), opendir(), rename(), rmdir(), stat(). --jhi */
+
+#define TRIMSLASHES(tmps,len,copy) (tmps) = SvPV(TOPs, (len)); \
+ if ((len) > 1 && (tmps)[(len)-1] == '/') { \
+ do { \
+ (len)--; \
+ } while ((len) > 1 && (tmps)[(len)-1] == '/'); \
+ (tmps) = savepvn((tmps), (len)); \
+ (copy) = TRUE; \
+ }
+
PP(pp_mkdir)
{
dSP; dTARGET;
else
mode = 0777;
- tmps = SvPV(TOPs, len);
- /* Different operating and file systems take differently to
- * trailing slashes. According to POSIX 1003.1 1996 Edition
- * any number of trailing slashes should be allowed.
- * Thusly we snip them away so that even non-conforming
- * systems are happy. */
- /* We should probably do this "filtering" for all
- * the functions that expect (potentially) directory names:
- * -d, chdir(), chmod(), chown(), chroot(), fcntl()?,
- * (mkdir()), opendir(), rename(), rmdir(), stat(). --jhi */
- if (len > 1 && tmps[len-1] == '/') {
- while (tmps[len-1] == '/' && len > 1)
- len--;
- tmps = savepvn(tmps, len);
- copy = TRUE;
- }
+ TRIMSLASHES(tmps,len,copy);
TAINT_PROPER("mkdir");
#ifdef HAS_MKDIR
PP(pp_rmdir)
{
dSP; dTARGET;
+ STRLEN len;
char *tmps;
- STRLEN n_a;
+ bool copy = FALSE;
- tmps = POPpx;
+ TRIMSLASHES(tmps,len,copy);
TAINT_PROPER("rmdir");
#ifdef HAS_RMDIR
- XPUSHi( PerlDir_rmdir(tmps) >= 0 );
+ SETi( PerlDir_rmdir(tmps) >= 0 );
#else
- XPUSHi( dooneliner("rmdir", tmps) );
+ SETi( dooneliner("rmdir", tmps) );
#endif
+ if (copy)
+ Safefree(tmps);
RETURN;
}
PP(pp_readdir)
{
-#if defined(Direntry_t) && defined(HAS_READDIR)
- dSP;
+#if !defined(Direntry_t) || !defined(HAS_READDIR)
+ DIE(aTHX_ PL_no_dir_func, "readdir");
+#else
#if !defined(I_DIRENT) && !defined(VMS)
Direntry_t *readdir (DIR *);
#endif
+ dSP;
+
+ SV *sv;
+ I32 gimme = GIMME;
+ GV *gv = (GV *)POPs;
register Direntry_t *dp;
- GV *gv = (GV*)POPs;
register IO *io = GvIOn(gv);
- SV *sv;
if (!io || !IoDIRP(io))
goto nope;
- if (GIMME == G_ARRAY) {
- /*SUPPRESS 560*/
- while ((dp = (Direntry_t *)PerlDir_read(IoDIRP(io)))) {
+ do {
+ dp = (Direntry_t *)PerlDir_read(IoDIRP(io));
+ if (!dp)
+ break;
#ifdef DIRNAMLEN
- sv = newSVpvn(dp->d_name, dp->d_namlen);
+ sv = newSVpvn(dp->d_name, dp->d_namlen);
#else
- sv = newSVpv(dp->d_name, 0);
+ sv = newSVpv(dp->d_name, 0);
#endif
#ifndef INCOMPLETE_TAINTS
- if (!(IoFLAGS(io) & IOf_UNTAINT))
- SvTAINTED_on(sv);
+ if (!(IoFLAGS(io) & IOf_UNTAINT))
+ SvTAINTED_on(sv);
#endif
- XPUSHs(sv_2mortal(sv));
- }
- }
- else {
- if (!(dp = (Direntry_t *)PerlDir_read(IoDIRP(io))))
- goto nope;
-#ifdef DIRNAMLEN
- sv = newSVpvn(dp->d_name, dp->d_namlen);
-#else
- sv = newSVpv(dp->d_name, 0);
-#endif
-#ifndef INCOMPLETE_TAINTS
- if (!(IoFLAGS(io) & IOf_UNTAINT))
- SvTAINTED_on(sv);
-#endif
- XPUSHs(sv_2mortal(sv));
+ XPUSHs(sv_2mortal(sv));
}
+ while (gimme == G_ARRAY);
+
+ if (!dp && gimme != G_ARRAY)
+ goto nope;
+
RETURN;
nope:
RETURN;
else
RETPUSHUNDEF;
-#else
- DIE(aTHX_ PL_no_dir_func, "readdir");
#endif
}
{
#if (!defined(DOSISH) || defined(OS2) || defined(WIN32)) && !defined(MACOS_TRADITIONAL)
dSP; dTARGET;
- Pid_t childpid;
+ Pid_t pid;
+ Pid_t result;
int optype;
int argflags;
optype = POPi;
- childpid = TOPi;
+ pid = TOPi;
if (PL_signals & PERL_SIGNALS_UNSAFE_FLAG)
- childpid = wait4pid(childpid, &argflags, optype);
+ result = wait4pid(pid, &argflags, optype);
else {
- while ((childpid = wait4pid(childpid, &argflags, optype)) == -1 &&
+ while ((result = wait4pid(pid, &argflags, optype)) == -1 &&
errno == EINTR) {
PERL_ASYNC_CHECK();
}
}
# if defined(USE_ITHREADS) && defined(PERL_IMPLICIT_SYS)
/* 0 and -1 are both error returns (the former applies to WNOHANG case) */
- STATUS_NATIVE_SET((childpid && childpid != -1) ? argflags : -1);
+ STATUS_NATIVE_SET((result && result != -1) ? argflags : -1);
# else
- STATUS_NATIVE_SET((childpid > 0) ? argflags : -1);
+ STATUS_NATIVE_SET((result > 0) ? argflags : -1);
# endif
- SETi(childpid);
+ SETi(result);
RETURN;
#else
DIE(aTHX_ PL_no_func, "waitpid");
result = 0;
if (PL_op->op_flags & OPf_STACKED) {
SV *really = *++MARK;
-# ifdef WIN32
+# if defined(WIN32) || defined(OS2)
value = (I32)do_aspawn(really, MARK, SP);
# else
value = (I32)do_aspawn(really, (void **)MARK, (void **)SP);
# endif
}
else if (SP - MARK != 1) {
-# ifdef WIN32
+# if defined(WIN32) || defined(OS2)
value = (I32)do_aspawn(Nullsv, MARK, SP);
# else
value = (I32)do_aspawn(Nullsv, (void **)MARK, (void **)SP);
}
RETURN;
#else
+# ifdef PERL_MICRO
+ dSP;
+ PUSHs(sv_2mortal(newSVnv((NV)0.0)));
+ EXTEND(SP, 4);
+ if (GIMME == G_ARRAY) {
+ PUSHs(sv_2mortal(newSVnv((NV)0.0)));
+ PUSHs(sv_2mortal(newSVnv((NV)0.0)));
+ PUSHs(sv_2mortal(newSVnv((NV)0.0)));
+ }
+ RETURN;
+# else
DIE(aTHX_ "times not implemented");
+# endif
#endif /* HAS_TIMES */
}
* AIX getpwnam() is clever enough to return the encrypted password
* only if the caller (euid?) is root.
*
- * There are at least two other shadow password APIs. Many platforms
+ * There are at least three other shadow password APIs. Many platforms
* seem to contain more than one interface for accessing the shadow
* password databases, possibly for compatibility reasons.
* The getsp*() is by far he simplest one, the other two interfaces
* char *(getespw*(...).ufld.fd_encrypt)
* Mention HAS_GETESPWNAM here so that Configure probes for it.
*
+ * <userpw.h> (AIX)
+ * struct userpw *getuserpw();
+ * The password is in
+ * char *(getuserpw(...)).spw_upw_passwd
+ * (but the de facto standard getpwnam() should work okay)
+ *
* Mention I_PROT here so that Configure probes for it.
*
* In HP-UX for getprpw*() the manual page claims that one should include
* --jhi
*/
+# if defined(__CYGWIN__) && defined(USE_REENTRANT_API)
+ /* Cygwin 1.5.3-1 has buggy getpwnam_r() and getpwuid_r():
+ * the pw_comment is left uninitialized. */
+ PL_reentrant_buffer->_pwent_struct.pw_comment = NULL;
+# endif
+
switch (which) {
case OP_GPWNAM:
{
* Divert the urge to writing an extension instead.
*
* --jhi */
-# ifdef HAS_GETSPNAM
+ /* Some AIX setups falsely(?) detect some getspnam(), which
+ * has a different API than the Solaris/IRIX one. */
+# if defined(HAS_GETSPNAM) && !defined(_AIX)
{
struct spwd *spwent;
int saverrno; /* Save and restore errno so that
}
#endif /* LOCKF_EMULATE_FLOCK */
+
+/*
+ * Local variables:
+ * c-indentation-style: bsd
+ * c-basic-offset: 4
+ * indent-tabs-mode: t
+ * End:
+ *
+ * vim: shiftwidth=4:
+*/
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